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adapted SV module to the new svideo library. 

update thread package.
This commit is contained in:
Sjoerd Mullender 1992-09-02 11:25:37 +00:00
parent e0be2b36b6
commit aee8bc1fab
1 changed files with 91 additions and 0 deletions
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91
Python/thread.c
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@ -1,11 +1,24 @@
#include "thread.h"
<<<<<<< thread.c
#ifndef DEBUG
#define DEBUG
#endif
#ifdef DEBUG
#define dprintf(args) printf args
#else
#define dprintf(args)
#endif
=======
#ifdef DEBUG
#define dprintf(args) printf args
#else
#define dprintf(args)
#endif
>>>>>>> 2.3
#ifdef __sgi
#include <stdlib.h>
#include <stdio.h>
@ -59,6 +72,83 @@ struct lock {
static int initialized;
<<<<<<< thread.c
#ifdef __sgi
/*
* This routine is called as a signal handler when another thread
* exits. When that happens, we must see whether we have to exit as
* well (because of an exit_prog()) or whether we should continue on.
*/
static void exit_sig _P0()
{
dprintf(("exit_sig called\n"));
if (exiting && getpid() == my_pid) {
dprintf(("already exiting\n"));
return;
}
if (do_exit) {
dprintf(("exiting in exit_sig\n"));
exit_thread();
}
}
/*
* This routine is called when a process calls exit(). If that wasn't
* done from the library, we do as if an exit_prog() was intended.
*/
static void maybe_exit _P0()
{
dprintf(("maybe_exit called\n"));
if (exiting) {
dprintf(("already exiting\n"));
return;
}
exit_prog(0);
}
#endif
/*
* Initialization.
*/
void init_thread _P0()
{
#ifdef __sgi
struct sigaction s;
#endif
dprintf(("init_thread called\n"));
if (initialized)
return;
initialized = 1;
#ifdef __sgi
my_pid = getpid(); /* so that we know which is the main thread */
atexit(maybe_exit);
s.sa_handler = exit_sig;
sigemptyset(&s.sa_mask);
sigaddset(&s.sa_mask, SIGUSR1);
s.sa_flags = 0;
sigaction(SIGUSR1, &s, 0);
prctl(PR_SETEXITSIG, SIGUSR1);
usconfig(CONF_ARENATYPE, US_SHAREDONLY);
/*usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);*/
shared_arena = usinit(tmpnam(0));
count_lock = usnewlock(shared_arena);
(void) usinitlock(count_lock);
wait_lock = usnewlock(shared_arena);
#endif
#ifdef sun
lwp_setstkcache(STACKSIZE, NSTACKS);
#endif
#ifdef C_THREADS
cthread_init();
#endif
}
/*
* Thread support.
*/
=======
#ifdef __sgi
/*
* This routine is called as a signal handler when another thread
@ -134,6 +224,7 @@ void init_thread _P0()
/*
* Thread support.
*/
>>>>>>> 2.3
int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
{
#ifdef sun